Skarrgan Skybreaker

Bloodthirst 3 (If an opponent was dealt damage this turn, this creature enters with three +1/+1 counters on it.)
, Sacrifice Skarrgan Skybreaker: It deals damage equal to its power to any target.

Skarrgan Pit-Skulk

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.)
Creatures with power less than Skarrgan Pit-Skulk’s power can’t block it.

Ghor-Clan Savage

Bloodthirst 3 (If an opponent was dealt damage this turn, this creature enters with three +1/+1 counters on it.)

Scab-Clan Mauler

Bloodthirst 2 (If an opponent was dealt damage this turn, this creature enters with two +1/+1 counters on it.)
Trample

Battering Wurm

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.)
Creatures with power less than Battering Wurm’s power can’t block it.

Skarrgan Firebird

Bloodthirst 3 (If an opponent was dealt damage this turn, this creature enters with three +1/+1 counters on it.)
Flying
: Return Skarrgan Firebird from your graveyard to your hand. Activate only if an opponent was dealt damage this turn.

Petrified Wood-Kin

This spell can’t be countered.
Bloodthirst X (This creature enters with X +1/+1 counters on it, where X is the damage dealt to your opponents this turn.)
Protection from instants

Burning-Tree Bloodscale

Bloodthirst 1 (If an opponent was dealt damage this turn, this creature enters with a +1/+1 counter on it.)
: Target creature can’t block Burning-Tree Bloodscale this turn.
: Target creature blocks Burning-Tree Bloodscale this turn if able.